= blast1 (1b)
a compressional wave formed whenever the speed of a body, e.g. an aircraft, relative to a medium, e.g. the air, exceeds that at which the medium can transmit sound
| 单词 | shock wave |
| 释义 | shock wavenoun= blast1 (1b) a compressional wave formed whenever the speed of a body, e.g. an aircraft, relative to a medium, e.g. the air, exceeds that at which the medium can transmit sound |
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